{"api_version":"1","generated_at":"2026-08-15T08:44:18+00:00","cve":"CVE-2026-74352","urls":{"html":"https://cve.report/CVE-2026-74352","api":"https://cve.report/api/cve/CVE-2026-74352.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74352","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74352"},"summary":{"title":"of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails\n\nThe global pointer 'reserved_mem' continues to reference the\nreserved_mem_array which lives in __initdata if\nalloc_reserved_mem_array() fails. of_reserved_mem_lookup() is\nexported for post-init use, that would dereference freed memory\nand trigger a use-after-free.\n\nSo reset reserved_mem_count to 0 when alloc_reserved_mem_array()\nfails.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:36","updated_at":"2026-08-15 06:22:36"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/cbd3102fe27bc87da244bf4c3ba670ea4698b0a8","name":"https://git.kernel.org/stable/c/cbd3102fe27bc87da244bf4c3ba670ea4698b0a8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e1686ca81dbf3edbde589b7daf312b45cbf76e03","name":"https://git.kernel.org/stable/c/e1686ca81dbf3edbde589b7daf312b45cbf76e03","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b","name":"https://git.kernel.org/stable/c/6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9af58d10d0d8c08b822de5fc99e61f31a87ede8d","name":"https://git.kernel.org/stable/c/9af58d10d0d8c08b822de5fc99e61f31a87ede8d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74352","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74352","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b6ae53301eb41f0f59f83c161248b186bca7da70 6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 00c9a452a235c61f099504783badd9a7675ff5a5 9af58d10d0d8c08b822de5fc99e61f31a87ede8d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 00c9a452a235c61f099504783badd9a7675ff5a5 cbd3102fe27bc87da244bf4c3ba670ea4698b0a8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 00c9a452a235c61f099504783badd9a7675ff5a5 e1686ca81dbf3edbde589b7daf312b45cbf76e03 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/of/of_reserved_mem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b","status":"affected","version":"b6ae53301eb41f0f59f83c161248b186bca7da70","versionType":"git"},{"lessThan":"9af58d10d0d8c08b822de5fc99e61f31a87ede8d","status":"affected","version":"00c9a452a235c61f099504783badd9a7675ff5a5","versionType":"git"},{"lessThan":"cbd3102fe27bc87da244bf4c3ba670ea4698b0a8","status":"affected","version":"00c9a452a235c61f099504783badd9a7675ff5a5","versionType":"git"},{"lessThan":"e1686ca81dbf3edbde589b7daf312b45cbf76e03","status":"affected","version":"00c9a452a235c61f099504783badd9a7675ff5a5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/of/of_reserved_mem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails\n\nThe global pointer 'reserved_mem' continues to reference the\nreserved_mem_array which lives in __initdata if\nalloc_reserved_mem_array() fails. of_reserved_mem_lookup() is\nexported for post-init use, that would dereference freed memory\nand trigger a use-after-free.\n\nSo reset reserved_mem_count to 0 when alloc_reserved_mem_array()\nfails."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:38.710Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b"},{"url":"https://git.kernel.org/stable/c/9af58d10d0d8c08b822de5fc99e61f31a87ede8d"},{"url":"https://git.kernel.org/stable/c/cbd3102fe27bc87da244bf4c3ba670ea4698b0a8"},{"url":"https://git.kernel.org/stable/c/e1686ca81dbf3edbde589b7daf312b45cbf76e03"}],"title":"of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74352","datePublished":"2026-08-15T05:58:38.710Z","dateReserved":"2026-08-15T05:44:03.886Z","dateUpdated":"2026-08-15T05:58:38.710Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:36","lastModifiedDate":"2026-08-15 06:22:36","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74352","Ordinal":"1","Title":"of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_ar","CVE":"CVE-2026-74352","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74352","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails\n\nThe global pointer 'reserved_mem' continues to reference the\nreserved_mem_array which lives in __initdata if\nalloc_reserved_mem_array() fails. of_reserved_mem_lookup() is\nexported for post-init use, that would dereference freed memory\nand trigger a use-after-free.\n\nSo reset reserved_mem_count to 0 when alloc_reserved_mem_array()\nfails.","Type":"Description","Title":"of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_ar"}]}}}